nova/nova/api/openstack/compute/used_limits.py

70 lines
2.5 KiB
Python

# Copyright 2012 OpenStack Foundation
#
# Licensed under the Apache License, Version 2.0 (the "License"); you may
# not use this file except in compliance with the License. You may obtain
# a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
# License for the specific language governing permissions and limitations
# under the License.
from nova.api.openstack import api_version_request
from nova.api.openstack.api_version_request \
import MIN_WITHOUT_PROXY_API_SUPPORT_VERSION
from nova.api.openstack import wsgi
from nova.policies import used_limits as ul_policies
from nova import quota
QUOTAS = quota.QUOTAS
class UsedLimitsController(wsgi.Controller):
@wsgi.extends
@wsgi.expected_errors(())
def index(self, req, resp_obj):
context = req.environ['nova.context']
project_id = self._project_id(context, req)
quotas = QUOTAS.get_project_quotas(context, project_id, usages=True)
if api_version_request.is_supported(
req, min_version=MIN_WITHOUT_PROXY_API_SUPPORT_VERSION):
quota_map = {
'totalRAMUsed': 'ram',
'totalCoresUsed': 'cores',
'totalInstancesUsed': 'instances',
'totalServerGroupsUsed': 'server_groups',
}
else:
quota_map = {
'totalRAMUsed': 'ram',
'totalCoresUsed': 'cores',
'totalInstancesUsed': 'instances',
'totalFloatingIpsUsed': 'floating_ips',
'totalSecurityGroupsUsed': 'security_groups',
'totalServerGroupsUsed': 'server_groups',
}
used_limits = {}
for display_name, key in quota_map.items():
if key in quotas:
used_limits[display_name] = quotas[key]['in_use']
resp_obj.obj['limits']['absolute'].update(used_limits)
def _project_id(self, context, req):
if 'tenant_id' in req.GET:
tenant_id = req.GET.get('tenant_id')
target = {
'project_id': tenant_id,
'user_id': context.user_id
}
context.can(ul_policies.BASE_POLICY_NAME, target)
return tenant_id
return context.project_id